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Optical Engineering • new

Photonic-assisted square waveform generation using a dual-parallel Mach–Zehnder modulator
Author(s): Muye Yuan; Bo Liu; Tianliang Wang; Zhikang Xu
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Paper Abstract

A photonic approach to generating square waveforms using a single dual-parallel Mach–Zehnder modulator driven by a single-tone radio frequency signal is proposed and demonstrated. The two sub MZM are set to be biased at the minimum transmission point and the maximum transmission point, respectively. By simply adjusting the modulation index to have a proper value, optical intensity with expression corresponding to the Fourier expansion of a square waveform is obtained, and square waveforms will be generated. Neither an optical filter nor an electrical component of frequency multiplier or hybrid is needed to guarantee the simplicity and the wide working frequency range. A proof-of-concept experiment is taken. Both 1- and 4-GHz square waveforms fitting well with the ideal ones are successfully generated.

Paper Details

Date Published: 9 February 2018
PDF: 4 pages
Opt. Eng. 57(2) 026104 doi: 10.1117/1.OE.57.2.026104
Published in: Optical Engineering Volume 57, Issue 2
Show Author Affiliations
Muye Yuan, Shanghai Institute of Satellite Engineering (China)
Bo Liu, Shanghai Institute of Satellite Engineering (China)
Tianliang Wang, Shanghai Institute of Satellite Engineering (China)
Zhikang Xu, Shanghai Institute of Satellite Engineering (China)


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